package com.smallcc.controller;

import com.smallcc.config.ProjectUrlConfig;
import com.smallcc.enums.ResultEnum;
import com.smallcc.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.api.impl.WxMpServiceImpl;
import me.chanjar.weixin.mp.bean.WxMpMassOpenIdsMessage;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.net.URLEncoder;

/**
 * @author 晓风过境
 * @TODO        微信登录授权获取openid
 * @date 2018/3/30 15:58
 * @day 30
 * @return $text$
 * @title ${CLASS_NAME}
 * @project_name sell
 */
@Controller
@RequestMapping("/wechat")
@Slf4j
public class WeChatController {
    @Autowired
    private  WxMpService wxMpService;
    @Autowired
    private WxMpService wxOpenService;
    @Autowired
    private ProjectUrlConfig projectUrlConfig;
    //公众号平台
    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl) {
        //1. 配置
        //2. 调用方法 projectUrlConfig.getWechatMpAuthorize()
        String url = projectUrlConfig.getWechatMpAuthorize()+ "/sell/wechat/userInfo";
//        String url = "http://sell.springboot.cn"+ "/sell/wechat/userInfo";
        String redirectUrl = wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAUTH2_SCOPE_BASE, URLEncoder.encode(returnUrl));
        return "redirect:" + redirectUrl;
    }
    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken=new WxMpOAuth2AccessToken();
        try {
            wxMpOAuth2AccessToken=wxMpService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("【微信网页授权】{}", e);
            throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }
        String openId = wxMpOAuth2AccessToken.getOpenId();

        return "redirect:" + returnUrl + "?openid=" + openId;
    }
    //开放平台
    @GetMapping("/qrAuthorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl) {
        String url = projectUrlConfig.getWechatOpenAuthorize() + "/sell/wechat/qrUserInfo";
        String redirectUrl = wxOpenService.buildQrConnectUrl(url, WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN, URLEncoder.encode(returnUrl));
        return "redirect:" + redirectUrl;
    }

    @GetMapping("/qrUserInfo")
    public String qrUserInfo(@RequestParam("code") String code,
                             @RequestParam("state") String returnUrl) {
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
        try {
            wxMpOAuth2AccessToken = wxOpenService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("【微信网页授权】{}", e);
            throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }
        log.info("wxMpOAuth2AccessToken={}", wxMpOAuth2AccessToken);
        String openId = wxMpOAuth2AccessToken.getOpenId();

        return "redirect:" + returnUrl + "?openid=" + openId;
    }
}


